Home / 12,055.68-18,090-5,034.60

Finding the Fourth Proportional to 12,055.68, 18,090 and 5,034.60

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Solution

The fourth proportional to 12,055.68, 18,090 and 5,034.60 is: 7,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.68 : 18,090 = 5,034.60 : x
  2. Step 2: Convert to fraction form
    12,055.68/18,090 = 5,034.60/x
  3. Step 3: Cross multiply
    12,055.68x = 18,090 × 5,034.60
  4. Step 4: Simplify right side
    12,055.68x = 91,075,914
  5. Step 5: Solve for x
    x = 91,075,914/12,055.68
  6. Step 6: Final answer
    x = 7,554.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.